Home / 1,183.64-1,632.60-934.56

Finding the Fourth Proportional to 1,183.64, 1,632.60 and 934.56

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Solution

The fourth proportional to 1,183.64, 1,632.60 and 934.56 is: 1,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.64 : 1,632.60 = 934.56 : x
  2. Step 2: Convert to fraction form
    1,183.64/1,632.60 = 934.56/x
  3. Step 3: Cross multiply
    1,183.64x = 1,632.60 × 934.56
  4. Step 4: Simplify right side
    1,183.64x = 1,525,762.66
  5. Step 5: Solve for x
    x = 1,525,762.66/1,183.64
  6. Step 6: Final answer
    x = 1,289.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.